Please follow the steps before you start signing :-

• Step 1: Get Open Digital Signer Chrome extension or load unpacked (contact us to get) from the extensions section in your Chrome browser
• Step 2: Download Native App Installer and install it your local windows machine.
• Step 3: If both step 1 & step 2 are complete , then go to Certificate Selection Test tab and click the Select Certificate to Test button. If it opens a certificate selection option like the picture below then we are ready to sign xml or pdf in the next tabs
• Step 4 (optional): If you have no certificate installed in your local computer, you can install and try with is test certificate to check the functionalities. Please download test certificate from here password: 123456
• Step 5: If Step 3 works fine, your local environment is ready to sign any xml or pdf using our native app and browser extension.